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Finding the Fourth Proportional to 189,414.52, 284,072.52 and 56,258.98

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Solution

The fourth proportional to 189,414.52, 284,072.52 and 56,258.98 is: 84,373.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,414.52 : 284,072.52 = 56,258.98 : x
  2. Step 2: Convert to fraction form
    189,414.52/284,072.52 = 56,258.98/x
  3. Step 3: Cross multiply
    189,414.52x = 284,072.52 × 56,258.98
  4. Step 4: Simplify right side
    189,414.52x = 15,981,630,221.23
  5. Step 5: Solve for x
    x = 15,981,630,221.23/189,414.52
  6. Step 6: Final answer
    x = 84,373.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.